function f_rep(block,img){
                    $('.'+block).toggleClass('f_block_a');
                    if (img != null){
			$('.'+block+' img').attr('src','images/main/'+img);
                    }

		}
	

		function MM_preloadImages() { //v3.0
		  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
			var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
			if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
		}
	 
	  $(document).ready(function(){
			$("#nav-one li").hover(
				function(){ $("ul", this).fadeIn("fast"); }, 
				function() { } 
			);
	  	if (document.all) {
				$("#nav-one li").hoverClass ("sfHover");
			}
	  });
	  
		$('#nav-one').hoverClass = function(c) {
			return this.each(function(){
				$(this).hover( 
					function() { $(this).addClass(c);  },
					function() { $(this).removeClass(c); }
				);
			});
		};	 
	 
		
		
		$(function() {
			$("#tree").treeview({
				collapsed: true,				
				control:"#sidetreecontrol",				
				prerendered: false,				 		    
				animated: "fast",
				
							
   				persist: "cookie",
				cookieId: "navigationtree"
			    /*cookieId: "treeview-black"*/
				
			});
		})